Evidence of Signatures for Recognition of Hydrocarbon Microseepage in El Hajeb Oilfield, Eastern Tunisia. - Mahmoud Bougi, Mohamed Seddik; Baklouti, Syrine; Rasheed, M. A.; Rao, P. L. Srinivasa; Hasan, Syed Zaheer; Gharbi, Jawhar; Ksibi, Mohamed (Geomicrobiology Journal, 2019)